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16 July 2025
A Shrub, a Startup, and an Ancient Idea: Engineer Bets on Biochar to Heal Ethiopia’s Soil
Fertilizer prices are rising as soil fertility plummets. Ethiopia’s farmers are caught in the middle. Biochar, a 2,000-year-old practice, now revived, might offer low-cost, climate-smart alternatives. By Daniel Metaferiya









